Re: [PATCH v2 00/21] PCI: Cleanup pci-keystone driver

From: Lorenzo Pieralisi
Date: Wed Oct 17 2018 - 07:13:08 EST


On Wed, Oct 17, 2018 at 01:10:53PM +0530, Kishon Vijay Abraham I wrote:
> The PCIe controller in AM654 uses Synopsys core revision 4.90a and uses
> the same TI wrapper as used in keystone2 with certain modification.
> Hence AM654 will use the same pci wrapper driver pci-keystone.c
>
> In preparation for adding AM654 support, cleanup pci-keystone driver
> here.
>
> Most of the cleanups here are trivial with major modification being
> merging pci-keystone-dw.c and pci-keystone.c
>
> Cleaning-up irq handling in the RFC series is dropped here as it has
> few comments to be addressed.
>
> Changes from v1:
> *) remove phy_reset in the cleanup PHY handling patch. It will be sent
> while adding AM654 support
> *) Add a separate patch for using ERR_IRQ_STATUS instead of
> ERR_IRQ_STATUS_RAW
> *) Split outbound window configuration into two patches. One which
> gets the number of outbound windows from DT and the other cleansup
> outbound window configuration.
>
> Kishon Vijay Abraham I (21):
> PCI: keystone: Use quirk to limit MRRS for K2G
> PCI: keystone: Use quirk to set MRRS for PCI host bridge
> PCI: keystone: Move dw_pcie_setup_rc out of ks_pcie_establish_link()
> PCI: keystone: Do not initiate link training multiple times
> PCI: keystone: Remove unused argument from ks_dw_pcie_host_init()
> PCI: keystone: Merge pci-keystone-dw.c and pci-keystone.c
> PCI: keystone: Remove redundant platform_set_drvdata
> PCI: keystone: Use uniform function naming convention
> dt-bindings: PCI: keystone: Add bindings to get device control module
> PCI: keystone: Use syscon APIs to get device id from control module
> PCI: keystone: Cleanup PHY handling
> PCI: keystone: Invoke pm_runtime APIs to enable clock
> PCI: keystone: Cleanup configuration space access
> PCI: keystone: Get number of outbound windows from DT
> PCI: keystone: Cleanup outbound window configuration
> PCI: keystone: Cleanup set_dbi_mode and get_dbi_mode
> PCI: keystone: Cleanup ks_pcie_link_up()
> PCI: keystone: Use ERR_IRQ_STATUS instead of ERR_IRQ_STATUS_RAW to get
> interrupt status
> PCI: keystone: Add debug error message for all errors
> PCI: keystone: Reorder header file in alphabetical order
> PCI: keystone: Cleanup macros defined in pci-keystone.c
>
> .../devicetree/bindings/pci/pci-keystone.txt | 3 +
> MAINTAINERS | 2 +-
> drivers/pci/controller/dwc/Makefile | 2 +-
> drivers/pci/controller/dwc/pci-keystone-dw.c | 484 -----------
> drivers/pci/controller/dwc/pci-keystone.c | 788 +++++++++++++++---
> drivers/pci/controller/dwc/pci-keystone.h | 57 --
> drivers/pci/controller/dwc/pcie-designware.h | 4 +
> 7 files changed, 686 insertions(+), 654 deletions(-)
> delete mode 100644 drivers/pci/controller/dwc/pci-keystone-dw.c
> delete mode 100644 drivers/pci/controller/dwc/pci-keystone.h

I have applied the series to pci/keystone, tentatively for v4.20.

Thanks,
Lorenzo